Home / 75,992.13-113,970.86-28,612.22

Finding the Fourth Proportional to 75,992.13, 113,970.86 and 28,612.22

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Solution

The fourth proportional to 75,992.13, 113,970.86 and 28,612.22 is: 42,911.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,992.13 : 113,970.86 = 28,612.22 : x
  2. Step 2: Convert to fraction form
    75,992.13/113,970.86 = 28,612.22/x
  3. Step 3: Cross multiply
    75,992.13x = 113,970.86 × 28,612.22
  4. Step 4: Simplify right side
    75,992.13x = 3,260,958,606.99
  5. Step 5: Solve for x
    x = 3,260,958,606.99/75,992.13
  6. Step 6: Final answer
    x = 42,911.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.